Loading...
*  Obstructive shock | ACLS-Algorithms.com
Learn all about obstructive shock - how and why it occurs, signs of the shock, tests you can do, most importantly - treatment ... The most common causes of obstructive shock in children are tension pneumothorax, pulmonary embolism, and cardiac tamponade. ... Examples include critical aortic stenosis and coarctation of the aorta.. Both signs and symptoms of obstructive shock and the ... If blood flowing INTO the heart is obstructed, it causes a decrease in cardiac output because of impaired diastolic filling. If ...
  https://acls-algorithms.com/pediatric-advanced-life-support/pediatric-shock-overview-part-1/pals-review-obstructive-shock/
*  Shock - Critical Care Medicine - Merck Manuals Professional Edition
Cardiac tamponade is suggested by jugular venous distention, muffled heart sounds, and a paradoxical pulse. Pulmonary embolism ... Cardiogenic shock is a relative or absolute reduction in cardiac output due to a primary cardiac disorder. Obstructive shock is ... Chest pain (with or without dyspnea) suggests MI, aortic dissection, or pulmonary embolism. A systolic murmur may indicate ... In obstructive shock, nontraumatic cardiac tamponade requires immediate pericardiocentesis, which can be done at the bedside. ...
  http://www.merckmanuals.com/en-pr/professional/critical-care-medicine/shock-and-fluid-resuscitation/shock
*  Pericardial Effusion | CDEM Curriculum
... also known as focused cardiac ultrasound (FOCUS) To appreciate the anatomy of the heart To learn the bedside ultrasound ... The Medical College of Wisconsin Objectives To understand the role of cardiac point of care ultrasound (POCUS) ... and decreased cardiac output (CO).8,47 This is a form of obstructive shock. The most important factor in developing tamponade ... pulmonary embolism, congestive heart failure, mitral stenosis, aortic regurgitation, and in other forms of shock.2,8,9,20,24,40 ...
  https://cdemcurriculum.com/pericardial-effusion/
*  Pathology Flashcards by John DeWaard | Brainscape
Account for nearly 1/2 of cardiac transplant recipients. *Almost invariably there will be some degree of obstructive coronary ... Antibodies may cross-react w/ pulmonary alveolar basement membranes to produce pulmonary hemorrhages ... but may also be caused by muscular obstruction below the aortic valve, or aortic narrowing immediately above the valve ... arising in peripheral veins can bypass the lungs and directly enter the systemic circulation and cause paradoxical embolism ...
  https://www.brainscape.com/flashcards/pathology-6828613/packs/10860859
*  Shock (circulatory) - Wikipedia
Obstructive shock includes cardiac tamponade, pulmonary embolism and aortic stenosis Shock is a common end point of many ... The first changes seen in shock is an increased cardiac output followed by a decrease in mixed venous oxygen saturation (SmvO2 ... Cardiac tamponade in which fluid in the pericardium prevents inflow of blood into the heart (venous return). Constrictive ... Aortic stenosis hinders circulation by obstructing the ventricular outflow tract Hypertrophic sub-aortic stenosis is overly ...
  https://en.wikipedia.org/wiki/Shock_(circulatory)
*  Acute pulmonary embolism 1: pathophysiology, clinical presentation, and diagnosis | Heart
... aortic dissection, ventricular septal rupture, cardiac tamponade, etc). In an unstable hypotensive patient requiring immediate ... As minor pulmonary embolism does not compromise the right ventricle, cardiac output is well maintained, hypotension does not ... such as chronic obstructive pulmonary disease (COPD) exacerbations or cardiomyopathy) are also associated with abnormal right ... and raised diaphragm have low specificity for pulmonary embolism. In massive pulmonary embolism a plump pulmonary artery shadow ...
  https://heart.bmj.com/content/85/2/229
*  Pulsus paradoxus - Wikipedia
pericardial effusion, including cardiac tamponade cardiogenic shock Pulmonary: pulmonary embolism tension pneumothorax asthma ( ... chronic obstructive pulmonary disease Non-pulmonary and non-cardiac: anaphylactic shock hypovolemia superior vena cava ... Pulsus paradoxus may not be seen with cardiac tamponade if an atrial septal defect or significant aortic regurgitation is also ... so cardiac output is reduced, leading to a further decline in BP. However, in situations where the left ventricular pressure ...
  https://en.wikipedia.org/wiki/Pulsus_paradoxus
*  Acute decompensated heart failure, Acute heart failure, Decompensated heart failure, Acute systolic heart failure - The...
Right heart catheterization may be useful for evaluating intracardiac pressures, pulmonary pressures and cardiac output. ... Other clinical conditions that can present similarly include acute pulmonary embolism, pneumonia, pericardial effusion/cardiac ... Cardiac catheterization may be performed to evaluate for the presence or absence of obstructive coronary artery disease. ... This includes the percutaneous insertion of an intra-aortic balloon pump (IABP), percutaneous left ventricular assist device ( ...
  http://www.clinicaladvisor.com/critical-care-medicine/acute-decompensated-heart-failure-acute-heart-failure-decompensated-heart-failure-acute-systolic-heart-failure/article/585503/
*  PPT - Physiology of shock PowerPoint Presentation - ID:515401
Cardiogenic: Tamponade, Infarction, heart failure *Extracardiac obstructive: Pulmonary embolism, tension pneumothorax * ... Organ perfusion may be compromised by an overall decrease or maldistribution of cardiac output. ... Peripheral chemo-receptors: Carotid body and aortic body. *Particularly relevant when MAP , 60 ... Cardiac Anatomy and Physiology II -. vincent conte, md clinical assistant professor fiu college of nursing nurse anesthesia ...
  https://www.slideserve.com/teva/physiology-of-shock
*  Cardiogenic Shock. What is cardiogenic shock? Causes | Patient
... resulting in reduced cardiac output. This leads to acute hypoperfusion... ... Intra-aortic balloon pump (IABP) counterpulsation. *IABP counterpulsation increases cardiac output and improves coronary artery ... Acute, severe pulmonary embolism (PE).. *Pericardial tamponade or severe constrictive pericarditis.. *Tension pneumothorax. ... Hypertrophic obstructive cardiomyopathy or end-stage cardiomyopathy of other cause.. *Myocarditis.. *Post-cardiac surgery ...
  https://patient.info/doctor/cardiogenic-shock
*  PPT - Shock & IV Fluids PowerPoint Presentation - ID:6639236
Obstructive Shock*Cardiac tamponade. *Blood in pericardial sac prevents venous return to and contraction of heart ... Obstructive Shock*Pulmonary embolism. *Virscow triad: hypercoaguable, venous injury, venostasis. *Signs: Tachypnea, tachycardia ... Causes vasoconstriction, increase in HR, and increase of cardiac contractility (cardiac output) ... Obstructive Shock*Aortic stenosis. *Resistance to systolic ejection causes decreased cardiac function ...
  https://www.slideserve.com/teranika-fullerton/shock-iv-fluids
*  Patent US6869402 - Method and apparatus for measuring pulsus paradoxus - Google Patents
Additionally, medical emergencies such as cardiac tamponade, hypovolemia, and pulmonary embolism are difficult to diagnose and/ ... Systems and methods for determining cardiac output. US9022030 *. Feb 19, 2010. May 5, 2015. Pacesetter, Inc.. Methods, systems ... Other forms of lung disease, including but not limited to chronic obstructive pulmonary disease ("COPD") and emphysema, place a ... The dicrotic notch 211 represents closure of the aortic valve and the backsplash of blood against the closed valve. ...
  http://www.google.com/patents/US6869402?dq=5251294
*  Dyspnea | MD Nexus
Acute Pulmonary Embolism (PE) (see Acute Pulmonary Embolism, [[Acute Pulmonary Embolism]]). *Pulmonary Hypertension (see ... Tamponade (see Tamponade, [[Tamponade]]). Valvular Heart Disease. *Aortic Stenosis (AS) (see Aortic Stenosis, [[Aortic Stenosis ... Low Cardiac Output State. *Cardiogenic Shock of Any Etiology (see Cardiogenic Shock, [[Cardiogenic Shock]]) ... Chronic Obstructive Pulmonary Disease (COPD) (see Chronic Obstructive Pulmonary Disease, [[Chronic Obstructive Pulmonary ...
  https://www.mdnxs.com/topics-2/pulmonary-and-critical-care/dyspnea/
*  Shock and Vasoactive Agents - Crashing Patient
Cardiac outflow obstruction is caused by pulmonary embolism, aortic stenosis, aortic crossclamps 2. Outflow obstruction: there ... Obstructive Shock. Decreased Diastolic Filling. Tamponade. Pneumothorax. Increased Ventricular Afterload. Pulmonary embolism. ... Determinants of cardiac output:The cardiac output is the product of the stroke volume and the pulse rate. It is calculated as: ... Cardiac function curve ). d Guyton s graphical analysis of cardiac output regulation (Sect. Graphical analysis of cardiac ...
  http://crashingpatient.com/resuscitation/shock-vasoactives.htm/
*  Echocardiography in shock management | Critical Care | Full Text
Specific pathological diagnoses are acute pulmonary embolus, cardiac tamponade, and dynamic outflow obstruction; on occasion, ... Overall cardiac performance. The estimation of cardiac output by echocardiography (echo) is well validated. Although it can be ... The validation and reproducibility of the pulmonary embolism severity index. J Thromb Haemost. 2010;8(7):1509-14.View Article ... Constrictive pericarditis is a rare cause of obstructive shock.. Acute pulmonary embolus. Classic right heart changes ...
  https://ccforum.biomedcentral.com/articles/10.1186/s13054-016-1401-7
*  Heart Dynamic - When lost, look to the heart
It is in fact cardiac tamponade! But remember the differential: tension pneumothorax, pulmonary embolism, cardiogenic shock, ... There is an aortic regurgitation. And the crown jewel? Fistula between the aortic root and left atrium. Anatomically the aortic ... But why now? Most probably the cardiac output, previously deranged, now managed to deliver the drugs to the systemic ... Obstructive breath sounds with spread rhonchi. The patient is heavily dependent on accessory respiratory muscles. 120BPM. BP ...
  http://heartdynamic.com
*  Congestive heart failure
... acute pulmonary embolism (PE), pregnancy, severe anemia (high cardiac output failure), uncontrolled hypertension, surgical ... hypertrophic obstructive cardiomyopathy [HOCM]) and pericardium (constrictive pericarditis, tamponade, pericardial effusion), ... such as intra-aortic balloon pump, percutaneous assist devices, or, more rarely, extracorporeal membrane oxygenator (ECMO). In ... acute pulmonary embolism), presence of chest pain (due to cardiac ischemia, acute pulmonary embolism), recent blood loss ( ...
  https://www.neurologyadvisor.com/hospital-medicine/congestive-heart-failure/article/604935/
*  CVS Session 5 - Control Of BP, Hypertension And Circulatory Shock Flashcards by Tomini Fashina | Brainscape
I. Adjust sympathetic and parasympathetic inputs to the heart to alter cardiac output. ... Massive pulmonary embolism (PE). - Embolus occludes a large pulmonary artery. I. Pulmonary artery pressure is high ... Mechanical shock (obstructive) - ventricle cannot fill properly. - Hypovolaemic shock - reduced blood volume leads to poor ... Cardiac tamponade. I. Blood or fluid build-up in pericardial space. II. Restricts filling of the heart ...
  https://www.brainscape.com/flashcards/cvs-session-5-control-of-bp-hypertension-5783364/packs/8647427
*  US20060189872A1 - Apnea detection system - Google Patents
Additionally, medical emergencies such as cardiac tamponade, hypovolemia, and pulmonary embolism are difficult to diagnose and/ ... for detecting obstructive apnea. In yet further instances, obstructive apnea may be detected by an increased output signal of ... The dicrotic notch 211 represents closure of the aortic valve and the backsplash of blood against the closed valve. ... pericardial tamponade, pulmonary embolism, hypovolemic shock, and sleep apnea. ...
  https://patents.google.com/patent/US20060189872A1/en
*  Case of the Week - Society for Cardiovascular Magnetic Resonance
An 8-year old girl presented with clinical signs of low cardiac output after symptoms of fever and emesis during a few days. ... A CT scan was performed under suspicion of pulmonary embolism, which proved not to be the case. A left ventricular ... Aortic Valve Masquerading as Severe Aortic Stenosis. 69 year-old male with history of endovascular abdominal aortic aneurysm ... This procedure had been compromised by cardiac tamponade, thought to have been caused by perforation of the RCA through wire ...
  https://scmr.org/page/caseoftheweekLDGPG
*  Plus it
The pulmonary transit time decreases when cardiac output increases, and reaches its minimum value when cardiac index is ∼8 L· ... Real-time MR imaging of aortic flow: influence of breathing on left ventricular stroke volume in chronic obstructive pulmonary ... Cardiac tamponade. Guberman et al. 49 reported that pulsus paradoxus is detectable in 98% of patients with cardiac tamponade, ... Finally, pulsus paradoxus may rarely be observed in massive pulmonary embolism, large compressive pleural effusion, profound ...
  http://erj.ersjournals.com/content/42/6/1696
*  Acute Coronary Syndromes Management: In-Hospital Treatment Considerations - ONA
... pulmonary embolism, and pericarditis, with or without cardiac tamponade, should be considered. At times, pneumonia, ... If the occlusion is partially obstructive and there is no evidence of myocardial injury (e.g., elevated cardiac troponin), the ... Aortic regurgitation may suggest an aortic dissection. Diminished heart sounds raise the possibility of a pericardial effusion ... there is evidence of a low output state, increased risk for cardiogenic shock, or other contraindications to therapy. ...
  http://www.oncologynurseadvisor.com/cardiology/acute-coronary-syndromes-management-in-hospital-treatment-considerations/article/583351/
*  Circulatory, Vascular and Cardiac sub-cluster 14
A 78 year old woman with congestive cardiac failure developed pulmonary embolism. Cross sectional echocardiography detected an ... together with an increase in resting cardiac output and symptomatic relief. The feasibility of the non-surgical treatment of ... Rupture of an aneurysm of the aortic sinus of Valsalva into the right ventricle is described. Surgery revealed a small aneurysm ... Echocardiography is a key diagnostic tool in the recognition of pericardial tamponade. A 56-year-old man in whom severe dyspnea ...
  http://www.biomedsearch.com/cluster/26/Circulatory-Vascular-and-Cardiac/sub-14-p13.html
*  Alasdair Scott's notes Flashcards by Scott Godfrey | Brainscape
Aortic dissection. Rhythm disturbances. Tamponade. Obstructive: tension pneumo, massive PE. Treat underlying cause morphine ... Bicuspid aortic valve. ASD. Coarction of the aorta. VSD. Tertalogoy of Fallot: VSD, Pulmonary stenosis, RVH, overriding aorta ... Cardiac:. Inf endo. Congenital cyanotic heart disease. Atrial myxoma. GIT: C's. Cirrhosis. Crohn's/UC. Coeliac. Ca - GI ... Low output HF causes Pump failure: ischaemia/MI, DCM, HTN, myocarditis, arrhythmias.. Excessive pre-load: AR, MR, Fluid ...
  https://www.brainscape.com/flashcards/alasdair-scott-s-notes-6572377/packs/10368755
*  Free USMLE Flashcards about Usmle 2 rapid review
Acid-base disorder in pulmonary embolism.. Squamous cell carcinoma. Non-small cell lung cancer (NSCLC) associated with ... Pulsus paradoxus (seen in cardiac tamponade). A fall in systolic BP of , 10 mmHg with inspiration. ... Radiographic evidence of aortic disruption or dissection.. Free air under the diaphragm, extravasation of contrast, severe bowl ... A 55-year-old man presents with irritative and obstructive urinary symptoms. Treatment options?. ...
  https://www.studystack.com/flashcard-531895